NL54021C - - Google Patents

Info

Publication number
NL54021C
NL54021C NL54021DA NL54021C NL 54021 C NL54021 C NL 54021C NL 54021D A NL54021D A NL 54021DA NL 54021 C NL54021 C NL 54021C
Authority
NL
Netherlands
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL54021C publication Critical patent/NL54021C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
NL54021D 1937-03-09 NL54021C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE204994X 1937-03-09

Publications (1)

Publication Number Publication Date
NL54021C true NL54021C (ja)

Family

ID=5784810

Family Applications (1)

Application Number Title Priority Date Filing Date
NL54021D NL54021C (ja) 1937-03-09

Country Status (4)

Country Link
BE (1) BE426649A (ja)
CH (1) CH204994A (ja)
FR (1) FR834157A (ja)
NL (1) NL54021C (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1009728B (de) * 1953-08-17 1957-06-06 Albert Flor Verfahren zur Herstellung von Kathoden fuer elektrische Entladungsroehren
BE541432A (ja) * 1954-09-22

Also Published As

Publication number Publication date
CH204994A (de) 1939-05-31
FR834157A (fr) 1938-11-15
BE426649A (ja)

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